1. Electronics Engineering University ECCI,Bogotá,Colombia
2. Doctor of Education INTERHEC, Inc,New Jersey,PA,USA
3. INTERHEC, Inc,Philadelphia,PA,USA
4. INTERHEC, Inc,Bensalem,PA,USA
5. University Catoliga,Bogotá,Colombia
6. School Inglaterra Real,Bogotá,Colombia
7. Biomedical Engeneering University ECCI,Bogotá,Colombia